Registering field trial for a feature overridden in chrome://flags.

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index f41ed259eb7475037e9afe7c77ca33a2ee3b7036..e6c812c3611b5ce20e138bf4484c56ba603dd9d9 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -2057,9 +2057,10 @@ void ConvertFlagsToSwitches(flags_ui::FlagsStorage* flags_storage,
 }
 
 void RegisterAllFeatureVariationParameters(
-    flags_ui::FlagsStorage* flags_storage) {
+    flags_ui::FlagsStorage* flags_storage,
+    base::FeatureList* feature_list) {
   FlagsStateSingleton::GetFlagsState()->RegisterAllFeatureVariationParameters(
-      flags_storage);
+      flags_storage, feature_list);
 }
 
 bool AreSwitchesIdenticalToCurrentCommandLine(